Seiko Cal. 3871 - 977

Released in 1975, the Cal. 3871 with design code 977 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-6de5a99c118b]

Also known as: Panda

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

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